Home / 150,287.45-207,346.33-86,623.88

Finding the Fourth Proportional to 150,287.45, 207,346.33 and 86,623.88

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Solution

The fourth proportional to 150,287.45, 207,346.33 and 86,623.88 is: 119,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,287.45 : 207,346.33 = 86,623.88 : x
  2. Step 2: Convert to fraction form
    150,287.45/207,346.33 = 86,623.88/x
  3. Step 3: Cross multiply
    150,287.45x = 207,346.33 × 86,623.88
  4. Step 4: Simplify right side
    150,287.45x = 17,961,143,608.36
  5. Step 5: Solve for x
    x = 17,961,143,608.36/150,287.45
  6. Step 6: Final answer
    x = 119,511.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.